date       RIR       IPv4 adoption   IPv6 adoption
20220501   ripencc    0.5396          0.3429
20220501   afrinic    0.1864          0.0620
20220501   apnic      0.2795          0.2283
20220501   lacnic     0.4029          0.4349
20220501   arin       0.2510          0.2747